Unweighting exercise treadmill



FIG. 1 is an isometric rear, top view of the unweighting exercise treadmill showing our new design;

FIG. 2 is in isometric front, bottom view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines shown in the figures depict portions of the unweighting exercise treadmill that form no part of the claimed design. 

CLAIM The ornamental design for an unweighting exercise treadmill, as shown and described. 